Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 17:35 and arrives at Vientiane Wattay International Airport at 18:50.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 223 Km. So the average speed is roughly 178 Km.
The best month to arrive at Bangkok is September and the most expensive month to fly is January. (Average prices, based on 246 datapoints.)
The best day to arrive at Bangkok is Wednesday and it would be best to avoid Tuesday, as prices are on average 131.47% higher than on Wednesday. (Average prices, based on 295405 datapoints.)
We have a lot more statistics for flights PG 949 and between Bangkok and Vientiane.
THB